Title:
CONNECTED BODY OF ROCK BOLT
Document Type and Number:
Japanese Patent JP2023141324
Kind Code:
A
Abstract:
To provide a connected body of a rock bolt and a construction method therefor that can easily conduct alignment between rock bolts.SOLUTION: The present invention includes a first rock bolt, a cylindrical sleeve that is provided at a rear end of the first rock bolt and where a first female screw is formed, a second rock bolt where a first male screw is formed at a tip end and that is configured so as to screw the first male screw to the first female screw of the sleeve, and an alignment mechanism of conducting alignment between the first female screw and the first male screw of the second rock bolt.SELECTED DRAWING: Figure 7
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Inventors:
HAYASHI HIDEAKI
SUGAWARA TAKAHIDE
IMOTO ATSUSHI
TANAKA YUSUKE
SUGAWARA TAKAHIDE
IMOTO ATSUSHI
TANAKA YUSUKE
Application Number:
JP2022047579A
Publication Date:
October 05, 2023
Filing Date:
March 23, 2022
Export Citation:
Assignee:
KFC LTD
International Classes:
E21D20/00
Attorney, Agent or Firm:
Kenji Tachibana